Johne's disease
This is an infectious disease in cattle designated by law due to Mycobacterium
paratuberculosis that is characterized by persistent diarrhea and progressive emaciation.
Its prognosis is poor. Since this disease occurs after a latent period for a few years - over
ten years, purification is very difficult once it occurs. Straw sandal-like thickening of the
intestinal wall (photo) is a characteristic finding. There are some specimens in this museum
including the first case in Japan.
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Masanobu Goryo
Address inquiries to the following.
E-Mail:goryo@iwate-u.ac.jp
Department of Veterinary Pathology, Faculty of Agriculture,
Iwate University., Morioka, 020-8550, Japan